Edexcel IGCSE Chemistry · Spec 2.21
Reactions of Metals with Acids
Covers apply the metal-acid rule to the correct acids, Test safely for hydrogen and Compare magnesium, zinc and iron using a fair method.
Chemistry revision video
Reactions of Metals with Acids
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Spec 2.21
What you need to know
- Apply the metal-acid rule to the correct acids
- Test safely for hydrogen
- Compare magnesium, zinc and iron using a fair method
Active recall
Quick check
Answer each question before opening the answer.
Which two dilute acids follow the general metal-acid rule?
Hydrochloric acid and sulfuric acid
What is the test for hydrogen?
A lighted splint gives a squeaky pop
Name two control variables in the comparison
For example acid volume, concentration or temperature
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